General Properties
Basic Properties
Basic Properties
GUID that identifies your project. Found in the developer console in the
detail view for a registered collection.
Identifier for your collection. Found in the developer console on the
detail view for a registered collection.
Previously named 
clientId.Indicates whether you’re using the staging or production environment.
staging productionIndicates the preferred currency for the checkout.
USD AUD EUR GBP HKD INR JPY KRW SGD VNDIndicates the preferred language for the checkout.
en-US, de-DE, es-ES, fr-FR, it-IT, ja-JP, ko-KR, pt-PT, ru-RU th-TH tr-TR uk-UA vi-VN zh-CN zh-TW, KlingonmintConfig
mintConfig
The 
mintConfig object should not be included for Solana collections.You must include any custom arguments required by your contract, using the exact same name.
The total price of the digital assets being minted (excluding gas/network fees). If the user is buying multiple digital assets, this should be the total price of all assets combined (price * quantity).
If your collection is set up using an external platform charging additional fees, please add them to the price. For example, if you contract charges 0.01 ETH and the provider charges 0.002 ETH, then set the price at 0.012 ETH.
erc-721 erc-1155You must include this parameter if your contract has a 
quantity argument indicating how many digital assets to mint.The name of this property must match the name of the argument in your mint function.
_mintAmount argument, you will use the property name _mintAmount in the mintConfig object.Additional Arguments
Add any additional arguments required by your contract, using the exact same name. For example, the function below would require adding a 
_customNumber property to mintConfig.Solidity
 Do not pass the recipient argument (e.g. 
to in the example above) in the mintConfig. Crossmint auto-fills this value with the user’s address. If you wish to configure a custom recipient address, follow the instructions on the section below.Webhook Pass Through Args
Webhook Pass Through Args
These arguments will be passed through via webhooks. You can use this to add attribution to a purchase (e.g. a user ID or advertising cookie).
Optional Product Specific Properties
- Embedded Checkout
 
The following properties are specific to the 
CrossmintPayButton:Indicates the wallet address where the digital assets should be delivered. It can be a standard ethereum address or a base58 Solana address.When left empty, the digital assets will be delivered to the buyer’s . If they don’t have one, one will be created on-the-fly.
Indicates the email address of the buyer. When provided, Crossmint will deliver the digital assets to the buyer’s , associated with that address. If they don’t have one, one will be created on-the-fly.When left empty, Crossmint will ask the buyer for their email address and do the same as above.
Indicates the email where the user will receive the purchase receipt. It pre-fills the email input field on the buyer’s UI, and freezes it so they can’t modify it.When left empty, Crossmint will ask the buyer for their email address.
Subproperties
Subproperties
Instructs the digital asset checkout to display in a specific way.
popup new-tab same-windowIndicates which payment methods will be available.
fiat ETH SOL
